Global manufacturer specification · TUF GAMING B550M-PLUS
TUF GAMING B550M-PLUS motherboard, identified in the ASUS Global catalogue. Specifications below retain the manufacturer’s configuration and interface conditions.
Specifications checked 17 Oct 2026.
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Manufacturer specifications5 verified differences, led by Form factor and dimensions, memory type, slots and limit and storage interfaces and restrictions. Compared in full below. Not a rating.
AM4 · ATX · DDR4 · board-only configuration · MSI global specification
An ATX AM4 motherboard with AMD B550: four DDR4 slots rated up to DDR4-4800 (OC), a PCIe 4.0 x16 graphics slot, two M.2 slots (one PCIe 4.0 x4), six SATA ports and Realtek 1 Gb Ethernet.
Specifications checked 7 Sept 2026.
Amazon links open search results. Check the exact variant, current price and availability with the retailer.
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Differences first. Select a topic for its graphic, sources and conditions.
Check the exact configuration and source conditions for your use.
Plan the complete platform. Check the exact CPU-support list, required BIOS and memory validation before buying. PCIe generations and lane allocations can change with the processor. A socket match or slot count is not a guarantee that every component works together at its highest advertised setting.
5 verified differences, most decision-relevant first. All are also drawn in Visual facts above. Missing information stays separate.
Manufacturer specification
ASUS TUF GAMING B550M-PLUS — official Global technical specificationsManufacturer specification · Board dimensions, not retail packaging. Check case mounting positions, clearance and cable routing.
MSI B550-A PRO — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification
ASUS TUF GAMING B550M-PLUS — official Global technical specificationsThe overclocked speed is MSI's 1DPC 1R maximum (MSI's A-XMP speed list itself runs to 4400+ MHz); MSI lists 1DPC 2R up to 3866, 2DPC 1R up to 4000 and 2DPC 2R up to 3600 MHz. JEDEC speeds run up to DDR4-3200. · Manufacturer specification · CPU, BIOS and validated DIMM population determine supported capacity and speeds. DDR4 and DDR5 are not interchangeable.
MSI B550-A PRO — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification
ASUS TUF GAMING B550M-PLUS — official Global technical specificationsM2_1 connects to the CPU; M2_2 connects to the B550 chipset. · Manufacturer specification · M2_1 runs at PCIe 4.0 or 3.0 depending on the installed processor. A PCIe SSD in M2_2 disables PCI_E3.
MSI B550-A PRO — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification
ASUS TUF GAMING B550M-PLUS — official Global technical specificationsManufacturer specification · Wired Ethernet only; MSI lists no Wi-Fi or Bluetooth hardware for this board.
MSI B550-A PRO — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification
ASUS TUF GAMING B550M-PLUS — official Global technical specificationsManufacturer specification · Manufacturer-listed onboard audio hardware, not a measured sound-quality result. Where alternatives are listed, no particular unseen controller revision is promised.
MSI B550-A PRO — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · Exact CPU support and BIOS revision depend on the processor and the current ASUS CPU support list; the family statement is not a guarantee for every processor.
ASUS TUF GAMING B550M-PLUS — official Global technical specificationsManufacturer specification · Check MSI's exact CPU support list and its required BIOS. Family support does not confirm the firmware installed on a retail board.
MSI B550-A PRO — manufacturer specificationsThese descriptions or measurements differ. Wording alone does not establish a different capability; check the exact configuration.
No source recorded for this side.
Manufacturer specification · Physical DDR4 module positions, not included modules. Consult the board manual for population order and compatible capacities.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Manufacturer capacity ceiling for this exact board, not included memory or a performance measurement. CPU, BIOS, DIMM population and the validated-module list determine support. DDR4 slots require DDR4 modules; DDR4 and DDR5 are not interchangeable.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Onboard M.2 storage positions only. M.2 generation depends on the CPU. Installing a PCIe SSD in M2_2 disables PCI_E3.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
The x4-wired long slot is PCI_E3. · Manufacturer specification · Installing a PCIe SSD in M2_2 makes PCI_E3 unavailable.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Button presence only. Recovery procedure and USB preparation require the exact manual.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · ECC modules run in non-ECC mode, so error correction is not active.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Plan storage drives and expansion cards together; this restriction applies to this board's slot wiring.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification
ASUS TUF GAMING B550M-PLUS — official Global technical specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Board headers, not supplied fans or an assertion of current limits.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Requires integrated CPU graphics; supported modes depend on processor.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
MSI labels these memory speeds in MHz (manufacturer notation); they are the rated data rates. · Manufacturer specification · Manufacturer OC configurations, not guaranteed kit speed or measured application performance. CPU, BIOS, memory rank and DIMMs per channel determine support.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Requires compatible drives and array configuration; no data protection guarantee.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification
ASUS TUF GAMING B550M-PLUS — official Global technical specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · PCIe 4.0 or 3.0 depending on the installed processor; not a measured graphics performance result.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · SATA 6 Gb/s connectors, not supplied drives or power cables. M.2 generation depends on the CPU. Installing a PCIe SSD in M2_2 disables PCI_E3.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Requires compatible drives and array configuration; no data protection guarantee.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Requires compatible case ports and cabling; not rear sockets.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Port inventory and interface ratings, not simultaneous measured throughput or charging power.
MSI B550-A PRO — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
2 shared fields have the same recorded value.
| Specification | ASUS TUF GAMING B550M-PLUS | MSI B550-A PRO |
|---|---|---|
CPU socket SourcesASUS TUF GAMING B550M-PLUS Manufacturer specification ASUS TUF GAMING B550M-PLUS — official Global technical specificationsMSI B550-A PRO Manufacturer specification · Match the exact CPU and required BIOS as well as the physical socket. MSI B550-A PRO — manufacturer specifications | AM4 | AM4 |
Chipset SourcesASUS TUF GAMING B550M-PLUS Manufacturer specification ASUS TUF GAMING B550M-PLUS — official Global technical specifications | AMD B550 | AMD B550 |
Form factor and dimensionsDifferent SourcesASUS TUF GAMING B550M-PLUS Manufacturer specification ASUS TUF GAMING B550M-PLUS — official Global technical specificationsMSI B550-A PRO Manufacturer specification · Board dimensions, not retail packaging. Check case mounting positions, clearance and cable routing. MSI B550-A PRO — manufacturer specifications | mATX Form Factor,9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm ) | ATX; 305 × 244 mm |
CPU support and BIOS requirementsDifferent SourcesASUS TUF GAMING B550M-PLUS Manufacturer specification · Exact CPU support and BIOS revision depend on the processor and the current ASUS CPU support list; the family statement is not a guarantee for every processor. ASUS TUF GAMING B550M-PLUS — official Global technical specificationsMSI B550-A PRO Manufacturer specification · Check MSI's exact CPU support list and its required BIOS. Family support does not confirm the firmware installed on a retail board. MSI B550-A PRO — manufacturer specifications | * Refer to www.asus.com for CPU support list.,AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors * BIOS: 256 Mb Flash ROM, UEFI AMI BIOS | AMD Ryzen 5000 / 3000 Series (except Ryzen 5 3400G and Ryzen 3 3200G) and 4000 G-Series |
Listed operating systems SourcesASUS TUF GAMING B550M-PLUS Manufacturer specification ASUS TUF GAMING B550M-PLUS — official Global technical specificationsMSI B550-A PRO No source recorded. | Windows® 10 64-bit | Not provided |
Rear Flash BIOS button SourcesASUS TUF GAMING B550M-PLUS No source recorded. MSI B550-A PRO Manufacturer specification · Button presence only. Recovery procedure and USB preparation require the exact manual. MSI B550-A PRO — manufacturer specifications | Not provided | Yes |
Memory type, slots and limitDifferent SourcesASUS TUF GAMING B550M-PLUS Manufacturer specification ASUS TUF GAMING B550M-PLUS — official Global technical specificationsMSI B550-A PRO The overclocked speed is MSI's 1DPC 1R maximum (MSI's A-XMP speed list itself runs to 4400+ MHz); MSI lists 1DPC 2R up to 3866, 2DPC 1R up to 4000 and 2DPC 2R up to 3600 MHz. JEDEC speeds run up to DDR4-3200. · Manufacturer specification · CPU, BIOS and validated DIMM population determine supported capacity and speeds. DDR4 and DDR5 are not interchangeable. MSI B550-A PRO — manufacturer specifications | * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types.,4 x DIMM, Max. 128GB, DDR4 4866(O.C)/4800(O.C.)/4600(O.C)/4466(O.C.)/4400(O.C)/4333(O.C.)/4266(O.C.)/4200(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3400(O.C.)/3333(O.C.)/3200/3000/2933/2800/2666/2400/2133 MHz Un-buffered Memory *,ECC Memory (ECC mode) support varies by CPU.,Dual Channel Memory Architecture | 4 DDR4 DIMM slots; dual channel; up to 128 GB; up to DDR4-4800 (OC); A-XMP; non-ECC unbuffered |
Maximum listed memory SourcesASUS TUF GAMING B550M-PLUS No source recorded. MSI B550-A PRO Manufacturer specification · Manufacturer capacity ceiling for this exact board, not included memory or a performance measurement. CPU, BIOS, DIMM population and the validated-module list determine support. DDR4 slots require DDR4 modules; DDR4 and DDR5 are not interchangeable. MSI B550-A PRO — manufacturer specifications | Not provided | 128 GB |
DIMM slots SourcesASUS TUF GAMING B550M-PLUS No source recorded. MSI B550-A PRO Manufacturer specification · Physical DDR4 module positions, not included modules. Consult the board manual for population order and compatible capacities. MSI B550-A PRO — manufacturer specifications | Not provided | 4 |
Published memory OC configurations SourcesASUS TUF GAMING B550M-PLUS No source recorded. MSI B550-A PRO MSI labels these memory speeds in MHz (manufacturer notation); they are the rated data rates. · Manufacturer specification · Manufacturer OC configurations, not guaranteed kit speed or measured application performance. CPU, BIOS, memory rank and DIMMs per channel determine support. MSI B550-A PRO — manufacturer specifications | Not provided | 1DPC 1R up to 4800; 1DPC 2R up to 3866; 2DPC 1R up to 4000; 2DPC 2R up to 3600 |
ECC module operating mode SourcesASUS TUF GAMING B550M-PLUS No source recorded. MSI B550-A PRO Manufacturer specification · ECC modules run in non-ECC mode, so error correction is not active. MSI B550-A PRO — manufacturer specifications | Not provided | ECC UDIMM supported in non-ECC mode |
Storage interfaces and restrictionsDifferent SourcesASUS TUF GAMING B550M-PLUS Manufacturer specification ASUS TUF GAMING B550M-PLUS — official Global technical specificationsMSI B550-A PRO M2_1 connects to the CPU; M2_2 connects to the B550 chipset. · Manufacturer specification · M2_1 runs at PCIe 4.0 or 3.0 depending on the installed processor. A PCIe SSD in M2_2 disables PCI_E3. MSI B550-A PRO — manufacturer specifications | AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors:,AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors:,1 x M.2_2 socket 3, with M Key, Type 2242/2260/2280/22110(PCIE 3.0 x4 and SATA modes) storage devices support,Total supports 2 x M.2 slot(s) and 4 x SATA 6Gb/s ports,AMD B550 Chipset:,4 x SATA 6Gb/s port(s),,Support Raid 0, 1, 10,1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 4.0 x4 and SATA modes) storage devices support,1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support | 1 × M.2 PCIe 4.0 x4; 1 × M.2 PCIe 3.0 x4; M2_1 also supports SATA; 6 × SATA 6 Gb/s |
Onboard M.2 storage slots SourcesASUS TUF GAMING B550M-PLUS No source recorded. MSI B550-A PRO Manufacturer specification · Onboard M.2 storage positions only. M.2 generation depends on the CPU. Installing a PCIe SSD in M2_2 disables PCI_E3. MSI B550-A PRO — manufacturer specifications | Not provided | 2 |
SATA storage ports SourcesASUS TUF GAMING B550M-PLUS No source recorded. MSI B550-A PRO Manufacturer specification · SATA 6 Gb/s connectors, not supplied drives or power cables. M.2 generation depends on the CPU. Installing a PCIe SSD in M2_2 disables PCI_E3. MSI B550-A PRO — manufacturer specifications | Not provided | 6 |
SATA RAID modes SourcesASUS TUF GAMING B550M-PLUS No source recorded. MSI B550-A PRO Manufacturer specification · Requires compatible drives and array configuration; no data protection guarantee. MSI B550-A PRO — manufacturer specifications | Not provided | RAID 0/1/10 |
NVMe RAID modes SourcesASUS TUF GAMING B550M-PLUS No source recorded. MSI B550-A PRO Manufacturer specification · Requires compatible drives and array configuration; no data protection guarantee. MSI B550-A PRO — manufacturer specifications | Not provided | RAID 0/1 |
Expansion slots and restrictions SourcesASUS TUF GAMING B550M-PLUS Manufacturer specification ASUS TUF GAMING B550M-PLUS — official Global technical specificationsMSI B550-A PRO No source recorded. | AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors,AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors,* Support PCIe bifurcation for RAID on CPU function.,AMD B550 Chipset,1 x PCIe 3.0 x16 (x4 mode),1 x PCIe 4.0 x16 (x16 mode),1 x PCIe 3.0 x1,1 x PCIe 3.0 x16 (x16 mode) | Not provided |
Primary expansion-slot link SourcesASUS TUF GAMING B550M-PLUS No source recorded. MSI B550-A PRO Manufacturer specification · PCIe 4.0 or 3.0 depending on the installed processor; not a measured graphics performance result. MSI B550-A PRO — manufacturer specifications | Not provided | PCI_E1: PCIe 4.0 x16 |
Secondary expansion slots SourcesASUS TUF GAMING B550M-PLUS No source recorded. MSI B550-A PRO The x4-wired long slot is PCI_E3. · Manufacturer specification · Installing a PCIe SSD in M2_2 makes PCI_E3 unavailable. MSI B550-A PRO — manufacturer specifications | Not provided | 1 long PCIe 3.0 slot wired x4; 2 PCIe 3.0 x1 slots |
Expansion/storage lane sharing SourcesASUS TUF GAMING B550M-PLUS No source recorded. MSI B550-A PRO Manufacturer specification · Plan storage drives and expansion cards together; this restriction applies to this board's slot wiring. MSI B550-A PRO — manufacturer specifications | Not provided | Installing a PCIe SSD in M2_2 makes PCI_E3 unavailable. |
Audio interfacesDifferent SourcesASUS TUF GAMING B550M-PLUS Manufacturer specification ASUS TUF GAMING B550M-PLUS — official Global technical specificationsMSI B550-A PRO Manufacturer specification · Manufacturer-listed onboard audio hardware, not a measured sound-quality result. Where alternatives are listed, no particular unseen controller revision is promised. MSI B550-A PRO — manufacturer specifications | - Premium audio capacitors,Realtek ALC S1200A7.1 Surround Sound High Definition Audio CODEC,- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback,- Audio Shielding,- Dedicated audio PCB layers,- Audio Cover,Audio Feature:,- Exclusive DTS Custom for GAMING Headsets.,- Optical S/PDIF out port(s) at back panel | Realtek ALC892 or ALC897 codec; 7.1-channel |
Processor-dependent display outputs SourcesASUS TUF GAMING B550M-PLUS No source recorded. MSI B550-A PRO Manufacturer specification · Requires integrated CPU graphics; supported modes depend on processor. MSI B550-A PRO — manufacturer specifications | Not provided | HDMI 2.1 and DisplayPort: up to 4096×2160 at 60 Hz |
Rear USB ports SourcesASUS TUF GAMING B550M-PLUS No source recorded. MSI B550-A PRO Manufacturer specification · Port inventory and interface ratings, not simultaneous measured throughput or charging power. MSI B550-A PRO — manufacturer specifications | Not provided | 4 USB 2.0; 2 USB 5 Gb/s Type-A; 1 USB 10 Gb/s Type-A; 1 USB 10 Gb/s Type-C |
Front USB header capacity SourcesASUS TUF GAMING B550M-PLUS No source recorded. MSI B550-A PRO Manufacturer specification · Requires compatible case ports and cabling; not rear sockets. MSI B550-A PRO — manufacturer specifications | Not provided | 4 USB 2.0; 2 USB 5 Gb/s Type-A; 1 USB 5 Gb/s Type-C |
Network interfaces and requirementsDifferent SourcesASUS TUF GAMING B550M-PLUS Manufacturer specification ASUS TUF GAMING B550M-PLUS — official Global technical specificationsMSI B550-A PRO Manufacturer specification · Wired Ethernet only; MSI lists no Wi-Fi or Bluetooth hardware for this board. MSI B550-A PRO — manufacturer specifications | Realtek RTL8125B 2.5Gb Ethernet,TUF LANGuard | Realtek 8111H 1 Gb Ethernet |
Cooling headers SourcesASUS TUF GAMING B550M-PLUS No source recorded. MSI B550-A PRO Manufacturer specification · Board headers, not supplied fans or an assertion of current limits. MSI B550-A PRO — manufacturer specifications | Not provided | 1 CPU; 1 pump; 6 system fan headers |
Closest motherboards to this pair by shared key specifications. Not a popularity ranking.
Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.
